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authorIngo Molnar <mingo@elte.hu>2011-04-27 04:36:37 +0200
committerIngo Molnar <mingo@elte.hu>2011-04-26 20:04:56 +0200
commitdcd9936a5a6d89512b5323c1145647f2dbe0236f (patch)
tree5ad83bc4f2a61e5ff65d4d0950cee6a36b65696d /fs/btrfs/locking.h
parent749141d926faf23ef811686a8050e7cf13dc223f (diff)
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perf stat: Factor our shadow stats
Create update_shadow_stats() which is then used in both read_counter_aggr() and read_counter(). This not only simplifies the code but also fixes a bug: HW_CACHE_REFERENCES was not updated in read_counter(). Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/n/tip-9uc55z3g88r47exde7zxjm6p@git.kernel.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/btrfs/locking.h')
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